Make it so that the actor can reject embedded items using the Item pre-create hook

module/documents/Item/Aspect.mjs

@@ -1,14 +1,7 @@
-/** @this {Item} */
-async function _preCreate(data, options, user) {
-	if (this.parent.itemTypes.aspect.length > 0) {
-		ui.notifications.error(
-			game.i18n.format(
-				`dotdungeon.notification.error.aspect-limit-reached`,
-				{ limit: 1 }
-			),
-			{ console: false }
-		);
-		return false;
+/** @this {ItemHandler} */
+async function _preCreate(_data, _options, _user) {
+	if (this.isEmbedded) {
+		return await this.actor?.preItemEmbed(this);
 	};
 };